unity-greeter crashed with SIGSEGV in g_signal_emit_valist()

[Vlad Khomich]

everytime I start the session

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: unity-greeter 0.0.8-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu1
Architecture: amd64
Date: Mon Sep 26 11:48:34 2011
ExecutablePath: /usr/sbin/unity-greeter
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110901)
ProcCmdline: unity-greeter
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/false
SegvAnalysis:
 Segfault happened at: 0x7fa0d55a0254: mov 0x1c(%r15),%r8d
 PC (0x7fa0d55a0254) ok
 source "0x1c(%r15)" (0x3fd313131313132f) not located in a known VMA region (needed readable region)!
 destination "%r8d" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: unity-greeter
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_object_notify () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: unity-greeter crashed with SIGSEGV in g_signal_emit_valist()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 handler_ref (handler=0x3fd3131313131313) at /build/buildd/glib2.0-2.29.92/./gobject/gsignal.c:579
 signal_emit_unlocked_R (node=<optimized out>, detail=115, instance=0x18d7010, emission_return=0x0, instance_and_params=0x19d40a0) at /build/buildd/glib2.0-2.29.92/./gobject/gsignal.c:3289
 g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fffaf9147d8) at /build/buildd/glib2.0-2.29.92/./gobject/gsignal.c:3003
 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.29.92/./gobject/gsignal.c:3060
 g_object_dispatch_properties_changed (object=0x18d7010, n_pspecs=1, pspecs=0x7fffaf914900) at /build/buildd/glib2.0-2.29.92/./gobject/gobject.c:925

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.